---
title: EvaluationError
framework: evaluations
role: symbol
role_heading: Enumeration
path: evaluations/evaluationerror
---

# EvaluationError

Errors thrown during an evaluation run.

## Declaration

```swift
enum EvaluationError
```

## Overview

Overview do {     throw EvaluationError.metricsNotFound(names: ["Accuracy"]) } catch EvaluationError.metricsNotFound(let names) {     print("Missing metrics: \(names)") }

## Topics

### Enumeration Cases

- [EvaluationError.metricsNotFound(names:)](evaluations/evaluationerror/metricsnotfound(names:).md)
- [EvaluationError.missingTranscript(evaluatorType:)](evaluations/evaluationerror/missingtranscript(evaluatortype:).md)

## Relationships

### Conforms To

- [Error](swift/error.md)
- [LocalizedError](foundation/localizederror.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Errors

- [EvaluationResultsError](evaluations/evaluationresultserror.md)